#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
#if 0
int main()
{
	int a = 10;
	int b = 20;
	int* const p = &a;
	*p = b;
	printf("%d\n", a);
	return 0;
}
#endif



#if 0
int main()
{
	int a = 10;
	int b = 20;
	int const* p = &a;
	p = &b;
	printf("%p\n", &a);
	printf("%p\n", p);
	return 0;
}
#endif




#if 0
int main()
{
	const int  a = 10;
	int* p = &a;
	*p = 20;
	printf("%d\n", a);
	return 0;
}
#endif


